TheRock/compiler/amd-llvm/clang/test/CIR/IR/vtable-addrpt.cir

// RUN: cir-opt %s --verify-roundtrip | FileCheck %s

// Test the parsing and printing of a constructor that uses a vtable addess_point op.

!u32i = !cir.int<u, 32>
!u8i = !cir.int<u, 8>
!rec_anon_struct = !cir.struct<{!cir.array<!cir.ptr<!u8i> x 4>}>
!rec_S = !cir.struct<"S" {!cir.vptr}>

module {
  cir.global "private" external @_ZTV1S : !rec_anon_struct {alignment = 8 : i64}
  cir.func @_ZN1SC2Ev(%arg0: !cir.ptr<!rec_S>) {
    %0 = cir.alloca !cir.ptr<!rec_S>, !cir.ptr<!cir.ptr<!rec_S>>, ["this", init] {alignment = 8 : i64}
    cir.store %arg0, %0 : !cir.ptr<!rec_S>, !cir.ptr<!cir.ptr<!rec_S>>
    %1 = cir.load %0 : !cir.ptr<!cir.ptr<!rec_S>>, !cir.ptr<!rec_S>
    %2 = cir.vtable.address_point(@_ZTV1S, address_point = <index = 0, offset = 2>) : !cir.vptr
    %3 = cir.cast bitcast %1 : !cir.ptr<!rec_S> -> !cir.ptr<!cir.vptr>
    cir.store align(8) %2, %3 : !cir.vptr, !cir.ptr<!cir.vptr>
    cir.return
  }
}

// CHECK: cir.vtable.address_point(@_ZTV1S, address_point = <index = 0, offset = 2>) : !cir.vptr